Nature of Operations and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Revenue Disaggregated by Revenue Type

The following table presents our revenue disaggregated by revenue type:

(in millions)	Ratings		Market Intelligence		Platts		Indices		Corporate		Intersegment Elimination 1			Total
	Three Months Ended September 30, 2018
Subscription	$	—	$	451	$	188	$	41	$	5	$	—		$	685
Non-transaction	372		—		—		—		—		(32		)	340
Non-subscription / Transaction	328		8		2		—		—		—			338
Asset-linked fees	—		5		—		131		—		—			136
Sales usage-based royalties	—		—		14		33		—		—			47
Total revenue	$	700	$	464	$	204	$	205	$	5	$	(32	)	$	1,546
Timing of revenue recognition
Services transferred at a point in time	$	328	$	8	$	2	$	—	$	—	$	—		$	338
Services transferred over time	372		456		202		205		5		(32		)	1,208
Total revenue	$	700	$	464	$	204	$	205	$	5	$	(32	)	$	1,546
	Nine Months Ended September 30, 2018
Subscription	$	—	$	1,306	$	556	$	109	$	10	$	—		$	1,981
Non-transaction	1,129		—		—		—		—		(92		)	1,037
Non-subscription / Transaction	1,094		28		8		—		—		—			1,130
Asset-linked fees	—		15		—		396		—		—			411
Sales usage-based royalties	—		—		40		122		—		—			162
Total revenue	$	2,223	$	1,349	$	604	$	627	$	10	$	(92	)	$	4,721
Timing of revenue recognition
Services transferred at a point in time	$	1,094	$	28	$	8	$	—	$	—	$	—		$	1,130
Services transferred over time	1,129		1,321		596		627		10		(92		)	3,591
Total revenue	$	2,223	$	1,349	$	604	$	627	$	10	$	(92	)	$	4,721

(in millions)	Ratings		Market Intelligence		Platts		Indices		Corporate		Intersegment Elimination 1			Total
	Three Months Ended September 30, 2017 2
Subscription	$	—	$	406	$	177	$	36	$	—	$	—		$	619
Non-transaction	367		—		—		—		—		(28		)	339
Non-subscription / Transaction	372		10		2		—		—		—			384
Asset-linked fees	—		6		—		118		—		—			124
Sales usage-based royalties	—		—		14		33		—		—			47
Total revenue	$	739	$	422	$	193	$	187	$	—	$	(28	)	$	1,513
Timing of revenue recognition
Services transferred at a point in time	$	372	$	10	$	2	$	—	$	—	$	—		$	384
Services transferred over time	367		412		191		187		—		(28		)	1,129
Total revenue	$	739	$	422	$	193	$	187	$	—	$	(28	)	$	1,513
	Nine Months Ended September 30, 2017 2
Subscription	$	—	$	1,189	$	523	$	104	$	—	$	—		$	1,816
Non-transaction	1,061		—		—		—		—		(81		)	980
Non-subscription / Transaction	1,138		32		9		—		—		—			1,179
Asset-linked fees	—		17		—		340		—		—			357
Sales usage-based royalties	—		—		45		98		—		—			143
Total revenue	$	2,199	$	1,238	$	577	$	542	$	—	$	(81	)	$	4,475
Timing of revenue recognition
Services transferred at a point in time	$	1,138	$	32	$	9	$	—	$	—	$	—		$	1,179
Services transferred over time	1,061		1,206		568		542		—		(81		)	3,296
Total revenue	$	2,199	$	1,238	$	577	$	542	$	—	$	(81	)	$	4,475

¹  Intersegment eliminations mainly consists of a royalty charged to Market Intelligence for the rights to use and distribute content and data developed by Ratings.

²  As noted above, amounts for the three and nine months ended September 30, 2017 were not adjusted under the modified retrospective transition method applied to our revenue contracts with customers as of January 1, 2018.

Schedule of Components of Other (Income) Expense, Net [Table Text Block]

The components of other income, net for the three and nine months ended September 30 are as follows:

(in millions)	Three Months						Nine Months
	2018			2017			2018			2017
Other components of net periodic benefit cost	$	(8	)	$	(9	)	$	(24	)	$	(26	)
Net loss from investments 1	2			—			2			—
Other income, net	$	(6	)	$	(9	)	$	(22	)	$	(26	)

¹  Primarily relates to the change in fair value of CRISIL's investment in Care Ratings Limited ("CARE"). The investment balance of CARE as of September 30, 2018 and December 31, 2017 is $43 million and $54 million, respectively, and is included in non-current assets in our consolidated balance sheets.